Question

i will mark brainliest
q is inversely proportional to √r
3
. Writ the equation in terms of q and r [1]
ii) If q =8 when r = 125 Find the value of q when r = 64 [3]

iii) Find the value of r when q = 4

Answer 1

Answer:

(iii) q(x) = -2x - 4 implies

q(4) = -2(4) - 4 = -12

r(x) = -5x - 4 implies

r(-8) = -5(-12) -4 = 56

But we know q(4) = -12, so r(q(4)) = r(-12) which we just showed equals 56